You can use an abacus to add and subtract quantities of beads by moving the them around. This can in turn help to solve equations involving counting numbers.
The opposite of add is subtract.
You add or subtract only the numerators
By the signs: 2+2(Add) 2-2(Subtract) +=add -=subtract
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You add or subtract, as required by the equation!
Equate the coefficients and subtract or add to find the value of the the given unknown variables.
(Apex) C. Add all the elements togetherD. Subtract the total amount of elements from the products
wich one
subtract
You can use an abacus to add and subtract quantities of beads by moving the them around. This can in turn help to solve equations involving counting numbers.
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does how many mean add or subtract
multiply= you add the exponets together and keep the same base divide= you subtract the exponet and keep the base the same
The opposite of add is subtract.
it means to subtract
You add or subtract only the numerators